Finding extended homes…
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Sign in to keep them on every device →Finding extended homes…
Homes within 1 km whose energy certificates show the floor area growing: extensions, loft and garage conversions. Tap a home on the map or in the list for its full history. Back to CM13 2SJ
Not every extension shows here. We only see building work when a new energy certificate is lodged, which happens when a home is sold, let or newly built. A loft or extension added since then won't appear, even with planning permission and building control sign-off, because those records aren't published as open data outside London. Missing work doesn't mean missing paperwork.
| Home | Before | After | Added | Recorded |
|---|---|---|---|---|
| Little Paddock, 8, Challacombe Close650 m away | 204 m² | 493 m² | +289 m² +142% | 2015 |
| 63, Mount Avenue395 m away | 165 m² | 394 m² | +229 m² +139% | 2025 |
| Hillwood, 7, Hillwood Grove861 m away | 303 m² | 507 m² | +204 m² +67% | 2019 |
| 140, Hanging Hill Lane710 m away | 137 m² | 340 m² | +203 m² +148% | 2026 |
| Ormondhurst, Mount Avenue395 m away | 170 m² | 360 m² | +190 m² +112% | 2018 |
| 3, Ridgeway640 m away | 216 m² | 389 m² | +173 m² +80% | 2024 |
| 26, Mount Avenue785 m away | 382 m² | 554 m² | +172 m² +45% | 2023 |
| 22, Roundwood Grove946 m away | 162 m² | 327 m² | +165 m² +102% | 2022 |
| 24, Roundwood Grove |
From energy performance certificates (MHCLG): a later certificate shows at least 15 m² and 15% more floor area than an earlier one (and no more than 2.5 times, to leave out typing errors). Some changes come from a more careful measurement rather than building work. Addresses: HM Land Registry. Contains HM Land Registry data © Crown copyright and database right 2026, OGL v3.0.
| 176 m² |
| 340 m² |
| +164 m² +93% |
| 2012 |
| Russets, Darcy Close692 m away | 122 m² | 282 m² | +160 m² +131% | 2025 |
|---|
| 1, Longaford Way494 m away | 154 m² | 308 m² | +154 m² +100% | 2025 |
|---|
| Oakwood, 51, Park Avenue280 m away | 202 m² | 354 m² | +152 m² +75% | 2023 |
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| 37, Ridgeway883 m away | 206 m² | 358 m² | +152 m² +74% | 2021 |
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| 89, Rayleigh Road468 m away | 115 m² | 266 m² | +151 m² +131% | 2015 |
|---|
| 36, Ridgeway965 m away | 300 m² | 448 m² | +148 m² +49% | 2017 |
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| 178, Hanging Hill Lane439 m away | 151 m² | 292 m² | +141 m² +93% | 2020 |
|---|
| 8, Tennyson Road0 m away | 116 m² | 253 m² | +137 m² +118% | 2020 |
|---|
| Fairoak, Kandlewood801 m away | 212 m² | 338 m² | +126 m² +59% | 2025 |
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| 6, Janmead738 m away | 112 m² | 228 m² | +116 m² +104% | 2020 |
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| 60, Rayleigh Road819 m away | 107 m² | 219 m² | +112 m² +105% | 2020 |
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| 34, Hall Green Lane58 m away | 118 m² | 228 m² | +110 m² +93% | 2025 |
|---|
| 21, Cory Drive769 m away | 132 m² | 242 m² | +110 m² +83% | 2025 |
|---|
| Eversley, Kingsley Road169 m away | 142 m² | 249 m² | +107 m² +75% | 2024 |
|---|
| 55, Hall Green Lane234 m away | 133 m² | 240 m² | +107 m² +80% | 2019 |
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| 13, Tennyson Road0 m away | 154 m² | 259 m² | +105 m² +68% | 2021 |
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| 25, Tennyson Road0 m away | 133 m² | 235 m² | +102 m² +77% | 2015 |
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| 4, Lordship Close138 m away | 127 m² | 228 m² | +101 m² +80% | 2020 |
|---|
| 11, Poplar Drive847 m away | 127 m² | 225 m² | +98 m² +77% | 2025 |
|---|
| 24, Delta Road543 m away | 92 m² | 187 m² | +95 m² +103% | 2019 |
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| 138, Hanging Hill Lane710 m away | 146 m² | 233 m² | +87 m² +60% | 2024 |
|---|
| 239, Rayleigh Road753 m away | 62 m² | 149 m² | +87 m² +140% | 2021 |
|---|
| 18, Park Avenue273 m away | 118 m² | 202 m² | +84 m² +71% | 2021 |
|---|
| 227, Hanging Hill Lane427 m away | 121 m² | 200 m² | +79 m² +65% | 2019 |
|---|
| 18, Roundwood Grove946 m away | 217 m² | 295 m² | +78 m² +36% | 2016 |
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| 222, Hanging Hill Lane289 m away | 172 m² | 249 m² | +77 m² +45% | 2025 |
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| 87, Hanging Hill Lane965 m away | 105 m² | 182 m² | +77 m² +73% | 2022 |
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| 113, Rayleigh Road528 m away | 93 m² | 170 m² | +77 m² +83% | 2017 |
|---|
| 53, Park Avenue280 m away | 179 m² | 252 m² | +73 m² +41% | 2026 |
|---|
| 7, Lyndhurst Way163 m away | 102 m² | 174 m² | +72 m² +71% | 2024 |
|---|
| 26, Park Avenue273 m away | 124 m² | 196 m² | +72 m² +58% | 2019 |
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| 121, Rayleigh Road528 m away | 214 m² | 284 m² | +70 m² +33% | 2020 |
|---|
| 6, Delta Road543 m away | 71 m² | 139 m² | +68 m² +96% | 2016 |
|---|
| 11, Janmead738 m away | 164 m² | 229 m² | +65 m² +40% | 2021 |
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| 67, Hall Green Lane370 m away | 161 m² | 225 m² | +64 m² +40% | 2021 |
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| 4, Park Avenue273 m away | 148 m² | 210 m² | +62 m² +42% | 2024 |
|---|
| 10, The Tyburns958 m away | 110 m² | 172 m² | +62 m² +56% | 2019 |
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| 40, Burses Way577 m away | 96 m² | 158 m² | +62 m² +65% | 2015 |
|---|
| 19, Cory Drive769 m away | 126 m² | 186 m² | +60 m² +48% | 2024 |
|---|
| 8, Burses Way447 m away | 90 m² | 149 m² | +59 m² +66% | 2022 |
|---|
| 2, Farm Close351 m away | 82 m² | 140 m² | +58 m² +71% | 2025 |
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| 77, Hanging Hill Lane965 m away | 133 m² | 191 m² | +58 m² +44% | 2021 |
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| Morada, Mount Avenue925 m away | 228 m² | 286 m² | +58 m² +25% | 2011 |
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| 17, Tennyson Road0 m away | 132 m² | 189 m² | +57 m² +43% | 2022 |
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| 3, Greyfriars761 m away | 220 m² | 277 m² | +57 m² +26% | 2016 |
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| 10, Leafy Way313 m away | 98 m² | 154 m² | +56 m² +57% | 2020 |
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| 17, Alpha Road671 m away | 45 m² | 99 m² | +54 m² +120% | 2018 |
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| 17, Surman Crescent461 m away | 96 m² | 150 m² | +54 m² +56% | 2014 |
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| 7, Farm Close351 m away | 129 m² | 182 m² | +53 m² +41% | 2014 |
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| 20, Long Meadow898 m away | 102 m² | 154 m² | +52 m² +51% | 2024 |
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| Sun Gate, 47, Ridgeway965 m away | 251 m² | 302 m² | +51 m² +20% | 2026 |
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| 200, Hanging Hill Lane231 m away | 118 m² | 168 m² | +50 m² +42% | 2026 |
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| 47, Poplar Drive847 m away | 112 m² | 162 m² | +50 m² +45% | 2024 |
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| 8, Copeman Road295 m away | 78 m² | 128 m² | +50 m² +64% | 2022 |
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| 39, Ridgeway883 m away | 273 m² | 322 m² | +49 m² +18% | 2025 |
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| 10, Carpenter Path860 m away | 89 m² | 138 m² | +49 m² +55% | 2012 |
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| 10, Coleridge Walk161 m away | 80 m² | 128 m² | +48 m² +60% | 2026 |
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| 31, Byron Road284 m away | 85 m² | 133 m² | +48 m² +56% | 2020 |
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| 4, Janmead738 m away | 110 m² | 158 m² | +48 m² +44% | 2014 |
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| 31, Edwards Way994 m away | 83 m² | 130 m² | +47 m² +57% | 2026 |
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| 14, Newlands Close404 m away | 85 m² | 132 m² | +47 m² +55% | 2018 |
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| 248, Hanging Hill Lane289 m away | 69 m² | 114 m² | +45 m² +65% | 2015 |
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| 2, Cedar Close520 m away | 83 m² | 127 m² | +44 m² +53% | 2022 |
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| 170, Rayleigh Road872 m away | 84 m² | 128 m² | +44 m² +52% | 2022 |
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| 11, Cedar Road551 m away | 47 m² | 90 m² | +43 m² +91% | 2018 |
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| 33, Cedar Road551 m away | 137 m² | 179 m² | +42 m² +31% | 2026 |
|---|
| 25, Park Avenue273 m away | 249 m² | 291 m² | +42 m² +17% | 2021 |
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| 2, Lordship Close138 m away | 146 m² | 187 m² | +41 m² +28% | 2026 |
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| 14, Copeman Road295 m away | 66 m² | 107 m² | +41 m² +62% | 2024 |
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| 146, Hutton Drive621 m away | 71 m² | 112 m² | +41 m² +58% | 2014 |
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| Beechwood, Mount Avenue785 m away | 205 m² | 244 m² | +39 m² +19% | 2026 |
|---|
| 19, Longaford Way494 m away | 169 m² | 208 m² | +39 m² +23% | 2020 |
|---|
| 34, Coram Green919 m away | 84 m² | 122 m² | +38 m² +45% | 2021 |
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| 7, Greyfriars761 m away | 150 m² | 188 m² | +38 m² +25% | 2017 |
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| 11, Coleridge Walk161 m away | 111 m² | 148 m² | +37 m² +33% | 2024 |
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| 28, Byron Road158 m away | 100 m² | 137 m² | +37 m² +37% | 2016 |
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| 46, Tomlyns Close930 m away | 125 m² | 162 m² | +37 m² +30% | 2015 |
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| 153, Rayleigh Road528 m away | 141 m² | 177 m² | +36 m² +26% | 2025 |
|---|
| 21, Hall Green Lane58 m away | 175 m² | 211 m² | +36 m² +21% | 2015 |
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| 115, Rayleigh Road528 m away | 134 m² | 169 m² | +35 m² +26% | 2025 |
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| 23, Newmans Drive409 m away | 159 m² | 194 m² | +35 m² +22% | 2024 |
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| 71, Hanging Hill Lane965 m away | 125 m² | 160 m² | +35 m² +28% | 2022 |
|---|
| 3, Tennyson Road0 m away | 105 m² | 140 m² | +35 m² +33% | 2020 |
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| 171, Rayleigh Road528 m away | 75 m² | 109 m² | +34 m² +45% | 2025 |
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| 1, Carswell Close712 m away | 88 m² | 122 m² | +34 m² +39% | 2023 |
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| 222, Rayleigh Road982 m away | 79 m² | 112 m² | +33 m² +42% | 2022 |
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| 79, Hanging Hill Lane965 m away | 105 m² | 136 m² | +31 m² +30% | 2022 |
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| 6, Beaumont Gardens794 m away | 143 m² | 173 m² | +30 m² +21% | 2026 |
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| 91, Whittington Road914 m away | 36 m² | 66 m² | +30 m² +83% | 2025 |
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| 6, Waltham Close798 m away | 96 m² | 126 m² | +30 m² +31% | 2023 |
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| 113, Whittington Road993 m away | 79 m² | 109 m² | +30 m² +38% | 2018 |
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| 147, Rayleigh Road528 m away | 96 m² | 126 m² | +30 m² +31% | 2016 |
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| 37, Boundary Drive701 m away | 71 m² | 100 m² | +29 m² +41% | 2024 |
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| 3, Magdalen Gardens891 m away | 74 m² | 103 m² | +29 m² +39% | 2022 |
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| 48, Hall Green Lane234 m away | 114 m² | 143 m² | +29 m² +25% | 2018 |
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| Dryden, Kingsley Road177 m away | 173 m² | 202 m² | +29 m² +17% | 2015 |
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| 31, Hall Green Lane58 m away | 148 m² | 177 m² | +29 m² +20% | 2012 |
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| 15, Lyndhurst Way163 m away | 120 m² | 147 m² | +27 m² +23% | 2025 |
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| 16, Coram Green919 m away | 69 m² | 96 m² | +27 m² +39% | 2022 |
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| 64, Rayleigh Road509 m away | 82 m² | 109 m² | +27 m² +33% | 2014 |
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| 37, Byron Road284 m away | 83 m² | 109 m² | +26 m² +31% | 2026 |
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| 15, Newlands Close404 m away | 107 m² | 133 m² | +26 m² +24% | 2023 |
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| 60, Hall Green Lane234 m away | 115 m² | 141 m² | +26 m² +23% | 2015 |
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| 21, Surman Crescent461 m away | 79 m² | 105 m² | +26 m² +33% | 2014 |
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| 39, Cedar Road551 m away | 64 m² | 89 m² | +25 m² +39% | 2019 |
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| 17, Clifton Way433 m away | 104 m² | 129 m² | +25 m² +24% | 2018 |
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| 2, Broxted Mews705 m away | 145 m² | 169 m² | +24 m² +17% | 2026 |
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| 4, Harrison Close922 m away | 100 m² | 124 m² | +24 m² +24% | 2025 |
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| 67, Cedar Road439 m away | 66 m² | 90 m² | +24 m² +36% | 2023 |
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| 28, Burses Way447 m away | 135 m² | 159 m² | +24 m² +18% | 2019 |
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| 1, Colet Road955 m away | 76 m² | 100 m² | +24 m² +32% | 2013 |
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| 31c, Tennyson Road0 m away | 91 m² | 114 m² | +23 m² +25% | 2025 |
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| 7, Springfield Avenue737 m away | 76 m² | 99 m² | +23 m² +30% | 2024 |
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| 8, Randalls Drive735 m away | 81 m² | 104 m² | +23 m² +28% | 2019 |
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| 3, Alpha Road671 m away | 105 m² | 128 m² | +23 m² +22% | 2014 |
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| 10, Crushes Close788 m away | 122 m² | 145 m² | +23 m² +19% | 2014 |
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| Flat 1, Booths Court, Poplar Drive838 m away | 63 m² | 85 m² | +22 m² +35% | 2026 |
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| 42, Hutton Village985 m away | 56 m² | 78 m² | +22 m² +39% | 2022 |
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| 11, Boundary Drive584 m away | 78 m² | 100 m² | +22 m² +28% | 2020 |
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| 26, Boundary Drive584 m away | 55 m² | 77 m² | +22 m² +40% | 2018 |
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| 47, Hutton Village985 m away | 122 m² | 143 m² | +21 m² +17% | 2026 |
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| 13, Randalls Drive735 m away | 101 m² | 121 m² | +20 m² +20% | 2026 |
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| 110, Hanging Hill Lane965 m away | 103 m² | 123 m² | +20 m² +19% | 2025 |
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| 5, Harrison Close922 m away | 110 m² | 130 m² | +20 m² +18% | 2016 |
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| 32, Burses Way447 m away | 113 m² | 132 m² | +19 m² +17% | 2023 |
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| 1, Ardleigh Gardens677 m away | 71 m² | 90 m² | +19 m² +27% | 2018 |
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| 42, Edwards Way994 m away | 82 m² | 101 m² | +19 m² +23% | 2014 |
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| 19, Kelvedon Close784 m away | 60 m² | 78 m² | +18 m² +30% | 2021 |
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| 190, Rayleigh Road872 m away | 83 m² | 101 m² | +18 m² +22% | 2011 |
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| 28, Boundary Drive584 m away | 77 m² | 94 m² | +17 m² +22% | 2021 |
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| 5, Wash Road862 m away | 84 m² | 101 m² | +17 m² +20% | 2019 |
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| 16, Great Oaks917 m away | 112 m² | 129 m² | +17 m² +15% | 2012 |
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| 18, Newlands Close404 m away | 99 m² | 115 m² | +16 m² +16% | 2015 |
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| 3, Rosen Crescent410 m away | 61 m² | 76 m² | +15 m² +25% | 2025 |
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| 12, Alpha Road671 m away | 75 m² | 90 m² | +15 m² +20% | 2018 |
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